C

The general call format for invoking ISPF services from C functions is either of these:

   retcode = isplink (service-name, parameter1, parameter2...);

   retcode = ISPEXEC (buflen, buffer)

The retcode variable is a C integer variable used to store the return code on the service you are using. For more information about using C with ISPF, refer to the z/OS ISPF Dialog Developer's Guide and Reference.